/*
 * Licensed to Metamarkets Group Inc. (Metamarkets) under one
 * or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership. Metamarkets licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License. You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied. See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

package io.druid.java.util.common;

import io.druid.java.util.common.logger.Logger;

import java.util.concurrent.Callable;

/**
 */
public class Timing {
    public static <RetType> RetType timeBenchmarkWrapException(String prefix, Callable<RetType> callable, final Logger log) {
        try {
            return timeBenchmark(prefix, callable, log);
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    }


    public static <RetType> RetType timeBenchmark(String prefix, Callable<RetType> callable, Logger log) throws Exception {
        RetType retVal;

        long startTime = System.currentTimeMillis();
        retVal = callable.call();
        long endTime = System.currentTimeMillis();

        log.info(String.format("%s completed %,d millis.", prefix, endTime - startTime));

        return retVal;
    }
}
